A multiple choice question please let me know ASAP

2-digit numbers less than 91 which are 1 less than a multiple of 10

Which statement holds true for absolute value functions? •the absolute value determines the direction in which theb.the coefficient determines the line along which the graph,the distance between the left and the right arm is based od.the vertex coordinates and the absolute value determine 111

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2